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{{Short description|Technology company}}

factoids

Xandr, formerly known as AppNexus, is an American multinational technology company operating a cloud-based software platform that enables and optimizes programmatic online advertising.NEWS,weblink Instant Ads Set the Pace on the Web, The New York Times, 2010-03-12, 2010-03-12, Stephanie Clifford,weblink" title="web.archive.org/web/20100317165048weblink">weblink 17 March 2010, live, Headquartered in the Flatiron District of New York City, the company has 23 offices in North America, Latin America, Europe, Asia and Australia.{{Citation needed|date=August 2020}}AppNexus offers online auction infrastructure and technology for data management, optimization, financial clearing and support for directly negotiated advertising campaigns. It has both demand-side platform (DSP), supply-side platform (SSP), and ad serving functionalities. It integrates with advertising sources including Google's "Authorized Buyers" ad exchange, Magnite, Pubmatic and other aggregators.PRESS RELEASE, AppNexus Officially Launches Ad Platform Fueling the Real-Time Bidding Revolution in Display Advertising,weblink Press release, AppNexus, PR Newswire, 2010-03-12, 2010-03-12,weblink" title="web.archive.org/web/20100322191221weblink">weblink 22 March 2010, live, WEB,weblink AppNexus Expands Video Buying, Adds New Video Demand Partners, www.mediapost.com, 2016-05-22, It operates out of multiple data centers, including one in Amsterdam serving Europe and the Middle East, in a facility shared with Equinix.In 2016, AppNexus was ranked #21 on Forbes Magazine's "The Cloud 100" list.WEB,weblink The Cloud 100, Forbes, 17 November 2016, In June 2018, AT&T announced it was acquiring the company and putting it under its Xandr division as a subsidiary.WEB, AT&T to Acquire AppNexus,weblink www.businesswire.com, 23 December 2019, en, 25 June 2018, AppNexus was reportedly sold for $1.6 billion, while most news outlets speculated the company did not sell for less than $2 billion.NEWS,weblink AT&T Will Acquire AppNexus {{!, AdExchanger|date=2018-06-25|work=AdExchanger|access-date=2018-07-13|language=en-US}}In October 2019, Xandr purchased Clypd, a privately-held technology company focused on enabling programmatic buying of linear television advertising.WEB,weblink Xandr Acquired Clypt in Move to Build Connevted TV Empire, 18 October 2019, .In December 2021, AT&T announced that they had agreed to sell Xandr to Microsoft for an undisclosed price, subject to customary closing conditions, including regulatory reviews.WEB, Microsoft to buy Xandr ad marketplace from AT&T,weblink ZDNet, Mary Jo, Foley, December 21, 2021, December 21, 2021,

Founders and financing

AppNexus was founded by former Right Media staff, CTO Brian O'Kelley, and Mike Nolet, product manager and director of analytics,WEB,weblink Who We Are, AppNexus, 2011-05-11,weblink" title="web.archive.org/web/20110517201506weblink">weblink 17 May 2011, live, with Michael Rubenstein, a former vice president and general manager at Google DoubleClick, who joined AppNexus as president in September 2009.weblink {{webarchive|url=https://web.archive.org/web/20101212033706weblink|date=December 12, 2010}} The company was financially backed by Microsoft, Khosla Ventures, First Round Capital, Venrock,WEB,weblink AppNexus Secures $8 Million in Series B Funding, Pr-inside.com, 2011-05-11, dead,weblink" title="web.archive.org/web/20120614091316weblink">weblink 2012-06-14, Kodiak Venture Partners, Marc Andreessen, Ben Horowitz, and Ron Conway; as of 2015 the company had raised $250 million in financing. O'Kelley stepped down as CEO in October 2018.Brian O’Kelley Steps Down As AppNexus CEO Published by adexchanger.com on October 5, 2018, retrieved on September 11, 2019

References

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